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3. B. B.-O. Gromova, E. S. Lantas, and N. N. Guseva, Methodological Instructions: Immunochemical and Biochemical Methods in Plant Immunology [in Russian], Leningrad (1982), pp. 1–6.
4. A. Ya. Zil'ber, Immunochemistry [in Russian], Moscow (1968), pp. 264–270.
5. H. Friemel and J. Brock, Grundlagen der Immunologie, VEB Akademie-Verlag, Berlin, 3rd edn. (1976).